-- @testpoint: opengauss关键字Increment(非保留)，作为函数名,部分测试点合理报错

--关键字不带引号-成功
drop function if exists Increment;
create function Increment(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带双引号-成功
drop function if exists "Increment";
create function "Increment"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带单引号-合理报错
drop function if exists 'Increment';
create function 'Increment'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `Increment`;
create function `Increment`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--清理环境
drop function if exists increment(integer);
drop function if exists "Increment"(integer);